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Smart Car Model 47*21mm Wearable Rubber Wheel for N20 Gear Motor - Yellow + Transparent White (2PCS)
Tire color: transparent - Tire diameter: 47mm - Tire width: 21mm - Inner diameter: 3mm (match the motor whose shaft is D-shape and diameter is 3mm£¬ such as N20 gear motor) - Very wearable - Beautiful appearance - Great for DIY and smart car projects